diff --git a/CHANGELOG.md b/CHANGELOG.md
index 50364d0..73766fb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # CHANGELOG
 
+## 0.2.45
+
+* added **relayport** variable to specify a port for **relayhost** when **relayhost_mx_lookup** is false
+
 ## 0.2.44
 
 * added postfix settings:
diff --git a/manifests/init.pp b/manifests/init.pp
index 58fef55..4531f24 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -38,6 +38,7 @@
                 $opportunistictls                    = false,
                 $recipient_delimiter                 = undef,
                 $relayhost                           = undef,
+                $relayport                           = undef,
                 $relayhost_mx_lookup                 = false,
                 $generatecert                        = false,
                 $subjectselfsigned                   = undef,
diff --git a/metadata.json b/metadata.json
index b23b8fe..9bf4cca 100644
--- a/metadata.json
+++ b/metadata.json
@@ -1,6 +1,6 @@
 {
   "name": "eyp-postfix",
-  "version": "0.2.44",
+  "version": "0.2.45",
   "author": "eyp",
   "summary": "postfix management - relay or multidomain mailserver",
   "license": "Apache-2.0",
diff --git a/templates/main.cf.erb b/templates/main.cf.erb
index 04cdc76..be0f5b3 100644
--- a/templates/main.cf.erb
+++ b/templates/main.cf.erb
@@ -343,7 +343,7 @@ mynetworks = <%= @mynetworks.join(",") %>
 #relayhost = uucphost
 #relayhost = [an.ip.add.ress]
 <% if defined?(@relayhost) -%>
-relayhost = <% if ! @relayhost_mx_lookup %>[<% end %><%= @relayhost %><% if ! @relayhost_mx_lookup %>]<% end %>
+relayhost = <% if ! @relayhost_mx_lookup %>[<% end %><%= @relayhost %><% if ! @relayhost_mx_lookup %>]<% end %><% if defined?(@relayport) -%>:<%= @relayport %><% end %>
 <% end -%>
 
 <% if @smtp_fallback_relay.any? -%>